Outdoor plastic wood flooring thickness

Outdoor plastic wood flooring thickness:
Currently, there are three types of plastic wood flooring: round hole, square hole, and solid,
Round hole, square hole thickness: 25mm, 30mm, 35mm, 40mm,
Solid: 20mm, 25mm, 30mm, 40mm,
Round holes and square holes, in order to avoid gravity load of 20mm, the thicker the load, the stronger the bearing capacity, and the higher the price